Such as topic, to ask you, how to draw winform contains millions of points of curves and no caton scaling and move, would you please tell me what the use of open source control, or what is the general drawing, before I tried zedgraph open source control, such as GDI was also done tried every drag re-paint, also tried to put the image in picturebox, according to scaling when change the size and location of the picture, but the effect is not good or have caton, search for some information, it feels like openGL (sharpGL) and directX (sharpDX) performance can be high many, to ask what idea is there, thank you.

CodePudding user response:

The solution is to draw only the needed data,

CodePudding user response:

Graphics like c + + is better than c #

CodePudding user response:

reference 1st floor github_36000833 response:

solution is to draw only the needed data,

If it is all the curve of 3 million points, for example, which USES the plan, the view of the 3 million - point move drag, redraw the picture will also be caton, the card should be the same,

CodePudding user response:

GDI is certainly couldn't do so much of the data, can only use DirectDraw or OpenGL,

CodePudding user response:

Teechart baidu. Millions of points BuKa. More suitable for industrial control

Under the winform appear to have a this kind of high efficient... (I know)

CodePudding user response:

reference 1st floor github_36000833 response:

solution is to draw only the needed data,

Thanks, but filter data may also be time-consuming, but led the boss mean filter data also time consuming to, general requirement is to draw all the point data,

CodePudding user response:

refer to fifth floor by_ love reply:

teechart baidu. Millions of points BuKa. More suitable for industrial control

Under the winform appear to have a this kind of high efficient... (I know)

Thank you, know that I have a look at,

CodePudding user response:

Again, please, if there are multiple curve a coordinate axis, how just drag a single curve,